CSS / JQuery悬停时的图标列表从左到右展开 [英] CSS / JQuery List of icons on hover expand left to right

问题描述

我有一个列表，我包装在一个div和浮动正确：

I have a list which I wrap in a div and float it right:

我需要能够使li从右到左扩展像图片如下：

I need to be able to make the li a expand from right to left like the images below:

因此，对于列表ID执行此操作：

So for the list id do this:

<div id="menu-wrapper">
    <ul>
        <li><a href=""><img src="btn1.gif" alt="" /></a></li>
        <li><a href=""><img src="btn2.gif" alt="" /></a></li>
    </ul>
</div>

// CSS

#menu-wrapper {float:right;width:40px;}

推荐答案

使用 max- width 以产生动画效果

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: url('http://placeimg.com/640/480/nature');
  background-size: cover;
}
#menu-wrapper {
  text-align: right;
}
.nav {
  list-style: none;
  display: inline-block;
  margin: 0 auto;
}
.cell {
  float: right;
  clear: both;
  background: lightgrey;
  margin: 5px 0;
  padding: 10px 15px;
}
.cell span {
  float: left;
  max-width: 0px;
  overflow: hidden;
  transition: 1s linear;
}
.cell:hover span {
  max-width: 100px;
}

<div id="menu-wrapper">
  <ul class="nav">
    <li class="cell">
      <img src="https://cdn3.iconfinder.com/data/icons/streamline-icon-set-free-pack/48/Streamline-18-32.png" /><span>expanded</span>
    </li>
    <li class="cell">
      <img src="https://cdn3.iconfinder.com/data/icons/streamline-icon-set-free-pack/48/Streamline-18-32.png" /><span>expanded</span>
    </li>
    <li class="cell">
      <img src="https://cdn3.iconfinder.com/data/icons/streamline-icon-set-free-pack/48/Streamline-18-32.png" /><span>expanded</span>
    </li>
  </ul>
</div>

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